The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 1997
Filed:
Jun. 06, 1996
Applicant:
Inventors:
Robert Valentine Kasowski, West Chester, PA (US);
Marvin Michael Martens, Vienna, WV (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; C07F / ;
U.S. Cl.
CPC ...
524100 ; 524100 ; 524227 ; 524387 ; 524406 ; 544181 ;
Abstract
Disclosed herein are compositions containing an aliphatic polyamide, a selected tungstic acid or its salt, and a coagent such as melamine cyanurate. These compositions exhibit good fire resistance and good physical toughness, particularly good elongation, and are useful as molding resins. The reaction product of a tungstic acid and melamine may alternatively be incorporated.